A G Obrien Plumbing & Heating Co

Plumbing, HVAC · Duluth, MN

License

NumberRecordTypeStatusFirst issuedExpires
TS745294licenseTechnology Systems ContractorIssued08/16/201807/31/2028
PC001260licensePlumbing ContractorIssued11/01/201212/31/2027
MB004598mechanical contractor bondMechanical Contractor BondIssued02/19/201007/01/2028

Source: Minnesota Department of Labor and Industry (MN DLI) public data, dated November 12, 2026. Confirm on the official MN DLI lookup.

Contact and details

Location
4907 Lightning Dr, Duluth, MN 55811
Phone
(218) 729-9662
Website
agobrien.com
Rating
4.8 stars from 424 reviews, per Google, November 12, 2026. See the listing on Google
Services
plumbing, heating, cooling, hvac, metal fabrication, water heater repair and replacement, commercial boiler, ductless mini splits
Towns served
Saint Louis County, Douglas County, Carlton County, Pine County, Itasca County, Cook County, Bayfield County
Free estimates
Yes
In business
since 1934
Source
Services, towns and estimates are as stated on the business's own website, read November 12, 2026.
Last checked
November 12, 2026

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